Shaft 

Diameter

Part Number

B

Distance 

Between 

Bolt Holes

L

Mounting 

Surface to 

Collar Face

A

D

E

F

Bolts

G

H

J

M

N

P

Approx.

 Weight

1/2

F3U2B08N *■

2 1/8

1 1/4

2 1/8

1 3/32

3

3/8

5/32

1/2

1 25/32

-

3 7/8

1/4

1.00

5/8

F3U210N *■

11/16

F3U211N *■

17.00

F3U2M17N *■

53.98

31.80

54.00

27.78

76.20

10.00

4.00

12.70

45.20

-

98.40

6.40

0.45

3/4

F3U212N *■

2 1/2

1 31/64

2 7/16

1 9/32

3 3/8

3/8

13/64

9/16

2 1/64

-

4 13/32

9/32

1.50

20.00

F3U2M20N *■

63.50

37.70

61.90

32.54

85.70

10.00

5.20

14.30

51.20

-

111.90

7.10

0.68

7/8

F3U214N *Δ■

2 3/4

1 35/64

2 11/16

1 23/64

3 3/4

7/16

3/16

19/32

2

-

4 29/32

19/64

1.90

15/16

F3U215N *Δ■

1

F3U216N *Δ■

25.00

F3U2M25N *Δ■

69.85

39.30

68.30

34.53

95.20

10.00

4.80

15.10

50.80

-

124.60

7.50

0.86

1 1/8

F3U218N *Δ■

3 1/4

1 47/64

3 3/16

1 9/16

4 1/4

7/16

11/64

19/32

2 15/64

-

5 19/32

7/16

3.10

1 3/16

F3U219N *Δ■

1 1/4

F3U2E20N *Δ■

30.00

F3U2M30N *Δ■

82.55

44.00

81.00

39.69

108.00

10.00

4.40

15.10

56.70

-

142.10

11.10

1.40

1 1/4

F3U220N *Δ■

3 5/8

1 59/64

3 5/8

1 49/64

4 5/8

1/2

5/32

5/8

2 23/64

-

6 1/8

33/64

3.90

1 3/8

F3U222N *Δ■

1 7/16

F3U223N *Δ■

35.00

F3U2M35N *Δ■

92.08

48.80

92.10

44.85

117.50

12.00

4.00

15.90

59.90

-

155.60

13.10

1.75

1 1/2

F3U224N *Δ■

4

2 5/64

4

1 29/32

5 1/8

1/2

11/64

5/8

2 35/64

-

6 25/32

1/2

5.00

40.00

F3U2M40N *Δ■

101.60

52.80

101.60

48.42

130.20

12.00

4.40

15.90

64.70

-

172.20

12.70

2.25

1 5/8

F3U226N *Δ■

4 1/8

2 9/64

4 1/4

2 1/32

5 3/8

1/2

7/64

5/8

2 9/16

-

7 3/32

35/64

6.20

1 11/16

F3U227N *Δ■

1 3/4

F3U228N *Δ■

45.00

F3U2M45N *Δ■

104.78

54.40

108.00

51.59

136.50

12.00

2.80

15.90

65.10

-

180.20

13.90

2.80

1 15/16

F3U231N *Δ■

4 3/8

2 19/64

4 1/2

2 3/32

5 5/8

1/2

13/64

3/4

2 13/16

-

7 7/16

9/16

6.90

2

F3U2E32N *Δ■

50.00

F3U2M50N *Δ■

111.12

58.30

114.30

53.18

142.90

12.00

5.20

19.00

71.40

-

188.90

14.30

3.10

2

F3U232N *Δ■

5 1/8

2 9/16

4 15/16

2 1/4

6 3/8

5/8

5/16

29/32

3 11/64

-

8 1/2

5/8

8.90

2 3/16

F3U235N *Δ■

55.00

F3U2M55N *Δ■

130.18

65.10

125.40

57.15

161.90

16.00

7.90

23.00

80.60

-

215.90

15.90

4.00

2 1/4

F3U236N *Δ■

5 5/8

2 27/32

5 3/8

2 1/2

6 7/8

5/8

11/32

15/16

3 25/64

-

9 7/32

41/64

11.90

2 3/8

F3U238N *Δ■

2 7/16

F3U239N *Δ■

60.00

F3U2M60N *Δ■

142.88

72.20

136.50

63.50

174.60

16.00

8.70

23.80

86.10

-

234.20

16.30

5.35